GI Diagnosis Flashcards
Type of diarrhea that ↓ with fasting, <1 L vol and has > 50 osmotic gap
Osmotic
Type of diarrhea that persists with fasting, >1 L vol daily and may have small osmotic gap
Secretory
Type of diarrhea that hass >6 x daily bowel mvts
Stool with mucus and blood
Volume <1 L daily
Exudative
Strawberry gallbladder
Cholesterolosis
RF for Cholelithiasis
fat, fertile, female, forties
MC etiology of Cholelithiasis
cholesterol
MC location of Acute Cholecystitis
Cystic duct/neck obstruction
Hallmark of Chronic Cholecystitis
Rokitansky-Aschoff sinuses
MC gallbladder carcinoma
and MC location
MC Adenocarcinoma
fundus or body > neck
What causes pancreatic pseudocysts?
massive liquefactive necrosis
MC location of pancreatic neoplasms
head of pancreas
What diagnostic test should you do for ductal adenocarcinoma?
Endoscopic retrograde cholangiopancreatography
(ERCP) with aspiration cytolog
What diabetes is insulin dependent?
Type 1 DM
Absolute deficiency of insulin due to autoimmune destruction of islets
Type 1 Diabetes
Relative insulin deficiency and insulin resistance both seen in most cases; after many years, insulin deficiency becomes severe
Type 2 Diabetes
Dysphagia
Ring of mucosal tissue in the distal esophagus which can cause narrowing and dysphagia
Schatzki’s Ring
Dysphagia
fullness, gurgling, coughing, aspiration, regurgitation of food, obstructive sx
Zenker’s Diverticula
Dysphagia
↑ LES resting pressire & inability to relax
Absence of peristalsis in body of esophagous
Dilated esophagous (caused chest pain)
Narrowed distal esophagous (bird’s beak)
Achalasia
What is MC cause of esophageal infection?
candidias
What is MC cause of gastroduodenal injury in U.S.?
NSAIDs
What is the mechanism of NSAID damage?
Inhibit prostaglandins through reversible inhibition of both COX-1 (PG are GI protective) and COX-2 (PG mediate pain, inflam and fever) enzymes
Epigastric abd pain worse in AM
Fatigue, black stool
Anorexia, melana, hematemesis, weight loss
Peptic Ulcer Disease
Bloating N/V Early satiety Epigastric pain Regurgitation of undigested food Weight loss
Gastroparesis
Major cause of infant morbidity and mortality
Fever, Vomiting, Diarrhea, Dehydration
Rotavirus
People in close quarters – cruise ship
Vomiting, abdominal cramps, diarrhea, low-grade fever
Food, water, swimming pools, shellfish (heat- resistant)
Norovirus
Diarrhea, headache, nausea
Children < 3 years immunosuppressed adults
Astrovirus
Signs of wet beriberi
peripheral vasodilatation high‐output heart failure dyspnea tachycardia cardiomegaly pulmonary edema peripheral edema warm extremities mimicking cellulitis
Signs of dry beriberi
polyneuropathy- affecting leg, footdrop, wristdrop, areflexia
CNS- Wernicke encephalopathy, Korsakoff (or combo)
Signs of Wernicke encephalopathy
nystagmus, ophthalmoplegia, truncal ataxia, confusion
Signs of Korsakoff syndrome
mnesia and psychiatric manifestations
Esophageal ca etiology
Squamous cell carcinoma (Eastern Europe and Asia)
Adenocarcinoma (western Europe)
SB ca etiology
adenoCa